public bool ReturnItems(List <string> selectedBookIDs, string selected_Receipt_ID, string readerID, DateTime borrowdate, decimal coefficient)
{
List <string> listpara = new List <string>();
foreach (string id in selectedBookIDs)
{
if (!CreateReturnReceipt(new PhieuTraDTO(selected_Receipt_ID, id, readerID, DateTime.Now, phieutraDTO.CalLibraryFine(int.Parse(coefficient.ToString())))))
{
return(false);
}
phieumuonDAL.DeleteReceipt(id, selected_Receipt_ID);
}
return(true);
}